2. Install Informatica and try to use mapping wizards and understand the concepts.

3. Develop simple pass thru mappings for your own requirements.

4. Read documentation for performance tuning and apply those if possible.

5. It will take 1/2 months to get a grip on the tool.

6. Register a 5 days level 1 & 2 powercenter course with informatica. You have few labs but your aim must be to clarify all those queries that you have in mind.You would get training certificate for the completion of the course. cost for 2 courses would be $6000

7. Use toolbox and technet to keep ypurself abreast of the developments in informatica.

8. Still if you don't understand post your queries over here someone provide you an response.